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Sleep Wearable Form Factor
Compare smart rings, fitness bands, and smartwatches for overnight sleep tracking: comfort, battery habits, and sleep metric depth.
Domhong Health Fitness Tracker Ring
For the active individual who wants to keep tabs on their health without wearing a bulky wristband, the Domhong Smart Ring delivers precise health tracking in a sleek, unobtrusive form. Whether you're a busy parent monitoring your stress levels or a fitness enthusiast tracking outdoor runs, this ring provides real-time insights into your body.
Unlike basic fitness trackers, this ring uses an upgraded chip to measure HRV and other key metrics accurately. It helps you understand how your body responds to daily activities and sleep. The companion app is free with no hidden fees.
Wear it while swimming, hiking, or working out—it's IP68 waterproof and lasts over 4 days on a single charge. The included charging case gives you multiple recharges on the go. You can also share health data with family or use the ring to take remote photos.
Features
- Sleep Tracking: Deep, Light, REM, Wakeful
- 180+ Activity and Fitness Tracker Modes
- IP68 Waterproof for Swimming, Diving
- Extended Battery Life: Over 4 Days
- Family Care and Remote Photography
- No APP Fees, Easy to Use
- Upgrade Chip and Optical Sensor
- Health Monitoring: Heart Rate, SpO2, HRV, Stress
General specs
- Brand: Domhong
- Seller: Amazon
- ID: B0GG16HSRZ
- Size: 09#
- Weight: N/A
- Chipset: Advanced chip and optical sensor
- App Fees: None
- Dimensions: N/A
- Care Family: Yes (health data sharing)
- (Oz) Weight: N/A
- Battery Life: 4+ days (full charge)
- Target Users: Men, Women
- Step Counting: Yes
- Activity Modes: 180+ modes
- Hrv Monitoring: Yes
- Sleep Tracking: Yes (deep sleep, light sleep, REM, wakeful periods)
- Charging Method: Charging case
- Calorie Tracking: Yes
- Distance Tracking: Yes
- Monitoring Stress: Yes
- Waterproof Rating: IP68
- Compatible Devices: iOS, Android
- Heart Rate Monitor: Yes
- Activities Supported: Running, Cycling, Swimming, Hiking, Dancing, Pilates, Yoga
- Blood Oxygen Monitor: Yes
- Remote Camera Control: Yes (shake twice)
- (Mah) Battery Capacity: N/A
- First listed by seller: May 20, 2026
If you are interested in more details, you can find full information on the seller's page.
Amazon live offers
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New, Used and Refurbished describe the item condition shown for that Amazon offer.
Top live offer
€43.01
Free shipping
New
Third-party seller
FBA
Shippable
Offers updated: 9/1/26
Affiliate link. As an Amazon Associate I earn from qualifying purchases.
Shipping options
Delivery to 
United States
United States
Available
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| Brand | Domhong | Kuinha | prxxhri | BIEMHA | Nyweey | Free Shark |
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| Price | €43.01 | €14.62 | €51.61 | €94.63 | €51.60 | €43.01 |
| Seller | Amazon | Amazon | Amazon | Amazon | Amazon | Amazon |
| Update | May 20, 2026 | Mar 21, 2026 | Jun 24, 2026 | May 29, 2026 | Apr 29, 2026 | Apr 27, 2026 |
| Size | 09# | 9 | 8 | 7# | 7 | |
| Battery Life | 4+ days (full charge) | 7 days | 3-5 days | 2-3 days | 5 days, 30 days with charging case | |
| Waterproof Rating | IP68 | IP68 | IP68 | |||
| Compatibility | Android 6.0 or above, iOS 11.0 or higher | iOS, Android | iOS, Android | iOS, Android | ||
Health Fitness Tracker Ring Black Health Monitoring: Heart Rate, SpO2, HRV, Stress
€43.01
Affiliate link. As an Amazon Associate I earn from qualifying purchases.
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